Lamp



FIG. 1 is front view of a lamp showing my new design;

FIG. 2 is a side view thereof, the opposite being a mirror image;

FIG. 3 is a rear view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a front side perspective view thereof; and,

FIG. 6 is rear side perspective view thereof. 

CLAIM The ornamental design for a lamp, as shown and described. 